package com.stock.dao;

import java.util.Date;
import java.util.List;
import org.hibernate.LockOptions;
import org.hibernate.Query;
import org.hibernate.Session;
import org.hibernate.SessionFactory;
import org.hibernate.criterion.Example;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.context.ApplicationContext;
import org.springframework.transaction.annotation.Transactional;

/**
 * A data access object (DAO) providing persistence and search support for
 * Research entities. Transaction control of the save(), update() and delete()
 * operations can directly support Spring container-managed transactions or they
 * can be augmented to handle user-managed Spring transactions. Each of these
 * methods provides additional information for how to configure it for the
 * desired type of transaction control.
 * 
 * @see com.stock.dao.Research
 * @author MyEclipse Persistence Tools
 */
@Transactional
public class ResearchDAO {
	private static final Logger log = LoggerFactory
			.getLogger(ResearchDAO.class);
	// property constants
	public static final String NUMBER = "number";
	public static final String NAME = "name";
	public static final String RESEARCHER = "researcher";
	public static final String INFOLEVEL = "infolevel";
	public static final String IDEALPRICE = "idealprice";
	public static final String REPORTDAYPRICE = "reportdayprice";
	public static final String AIMPERCENT = "aimpercent";
	public static final String DISCRIBE = "discribe";

	private SessionFactory sessionFactory;

	public void setSessionFactory(SessionFactory sessionFactory) {
		this.sessionFactory = sessionFactory;
	}

	private Session getCurrentSession() {
		return sessionFactory.getCurrentSession();
	}

	protected void initDao() {
		// do nothing
	}

	public void save(Research transientInstance) {
		log.debug("saving Research instance");
		try {
			getCurrentSession().save(transientInstance);
			log.debug("save successful");
		} catch (RuntimeException re) {
			log.error("save failed", re);
			throw re;
		}
	}

	public void delete(Research persistentInstance) {
		log.debug("deleting Research instance");
		try {
			getCurrentSession().delete(persistentInstance);
			log.debug("delete successful");
		} catch (RuntimeException re) {
			log.error("delete failed", re);
			throw re;
		}
	}

	public Research findById(java.lang.String id) {
		log.debug("getting Research instance with id: " + id);
		try {
			Research instance = (Research) getCurrentSession().get(
					"com.stock.dao.Research", id);
			return instance;
		} catch (RuntimeException re) {
			log.error("get failed", re);
			throw re;
		}
	}

	public List findByExample(Research instance) {
		log.debug("finding Research instance by example");
		try {
			List results = getCurrentSession()
					.createCriteria("com.stock.dao.Research")
					.add(Example.create(instance)).list();
			log.debug("find by example successful, result size: "
					+ results.size());
			return results;
		} catch (RuntimeException re) {
			log.error("find by example failed", re);
			throw re;
		}
	}

	public List findByProperty(String propertyName, Object value) {
		log.debug("finding Research instance with property: " + propertyName
				+ ", value: " + value);
		try {
			String queryString = "from Research as model where model."
					+ propertyName + "= ?";
			Query queryObject = getCurrentSession().createQuery(queryString);
			queryObject.setParameter(0, value);
			return queryObject.list();
		} catch (RuntimeException re) {
			log.error("find by property name failed", re);
			throw re;
		}
	}

	public List findByNumber(Object number) {
		return findByProperty(NUMBER, number);
	}

	public List findByName(Object name) {
		return findByProperty(NAME, name);
	}

	public List findByResearcher(Object researcher) {
		return findByProperty(RESEARCHER, researcher);
	}

	public List findByInfolevel(Object infolevel) {
		return findByProperty(INFOLEVEL, infolevel);
	}

	public List findByIdealprice(Object idealprice) {
		return findByProperty(IDEALPRICE, idealprice);
	}

	public List findByReportdayprice(Object reportdayprice) {
		return findByProperty(REPORTDAYPRICE, reportdayprice);
	}

	public List findByAimpercent(Object aimpercent) {
		return findByProperty(AIMPERCENT, aimpercent);
	}

	public List findByDiscribe(Object discribe) {
		return findByProperty(DISCRIBE, discribe);
	}

	public List findAll() {
		log.debug("finding all Research instances");
		try {
			String queryString = "from Research";
			Query queryObject = getCurrentSession().createQuery(queryString);
			return queryObject.list();
		} catch (RuntimeException re) {
			log.error("find all failed", re);
			throw re;
		}
	}

	public Research merge(Research detachedInstance) {
		log.debug("merging Research instance");
		try {
			Research result = (Research) getCurrentSession().merge(
					detachedInstance);
			log.debug("merge successful");
			return result;
		} catch (RuntimeException re) {
			log.error("merge failed", re);
			throw re;
		}
	}

	public void attachDirty(Research instance) {
		log.debug("attaching dirty Research instance");
		try {
			getCurrentSession().saveOrUpdate(instance);
			log.debug("attach successful");
		} catch (RuntimeException re) {
			log.error("attach failed", re);
			throw re;
		}
	}

	public void attachClean(Research instance) {
		log.debug("attaching clean Research instance");
		try {
			getCurrentSession().buildLockRequest(LockOptions.NONE).lock(
					instance);
			log.debug("attach successful");
		} catch (RuntimeException re) {
			log.error("attach failed", re);
			throw re;
		}
	}

	public static ResearchDAO getFromApplicationContext(ApplicationContext ctx) {
		return (ResearchDAO) ctx.getBean("ResearchDAO");
	}
}